Like malloc, realloc. Free
#Do we have unsafe memory hamdling?
ionic hull
main turret
tender zenith
There also libc which you can use but you should prefer the API above.
?crate libc
upper phoenixBOT
edgy sable
Well
If you're looking specifically for libc's functions, because you want to free a malloc'd pointer, or to allocate a pointer that can be passed to free
Then you need libc's functions
If you're just doing manual allocation within Rust, then alloc has you covered and is preferable